All dolled-up: This month, the Allentown Public Library, 1210 Hamilton St., Allentown, is displaying an exhibition of some of the 400 dolls in its collection. The dolls, which depict persons from many of the world's nations, were donated to the library by Harriet Backenstoe and Dorothy Knauss. The exhibit continues through Dec. 31. Hours: 9 a.m. - 9 p.m. Monday - Thursday, 9 a.m. - 6 p.m. Friday, 9 a.m. - 5 p.m. Saturday and closed Sunday. Information: allentownpl.org, 610-820-2400